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Wall Paint Calculator
Calculate litres of paint needed for the walls of a room, minus doors and windows.
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Compare Your Options And Get Clear Answers
Calculate litres of paint needed for the walls of a room, minus doors and windows.
Wall Paint Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Litres = wall area x coats / coverage.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Wall Quick Guide
Typical values for reference.
| Length | Width | Height | Litres |
|---|---|---|---|
| 3 | 3 | 2.5 | 4.0 L |
| 5 | 4 | 2.5 | 6.5 L |
| 6 | 5 | 2.5 | 8.2 L |
| 8 | 6 | 2.5 | 10.7 L |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Wall Paint Calculator FAQ
Answers to common questions about this calculator.
About 1 litre per 12 m2 per coat.
Two for most colours.
No, calculate it separately.
On bare plaster or dark walls.